Is CVE-2018-11746 actively exploited?

No active exploitation of CVE-2018-11746 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-11746 be exploited remotely?

Yes. CVE-2018-11746 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-11746?

CVE-2018-11746 has a CVSS score of 8.6 (HIGH).

HOME VULNERABILITIESCVE-2018-11746

HIGH

CVE-2018-11746

CWE-522Published: July 3, 2018· Updated: Jun 17, 2026

8.6

CVSS v3.1

Official Description

In Puppet Discovery prior to 1.2.0, when running Discovery against Windows hosts, WinRM connections can fall back to using basic auth over insecure channels if a HTTPS server is not available. This can expose the login credentials being used by Puppet Discovery.

NVD Source

Technical Analysis

CVE-2018-11746 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 8.6.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.